DeepSeek V4.1 Flash Is WAY Better Than I Expected

Save to stack
Prompt Engineering Open on YouTube ↗
Prompt Engineering Technique Prompt Engineer Role LLMs Topic Llama Model ChatGPT Tool LLM Fine-Tuning Technique Fine Tuning LLM Technique AI Creator Audience Advanced Level
From the creator

DeepSeek V4.1 Flash is built around one idea: make long-context AI dramatically more efficient. In this video, I break down how DeepSeek shrinks KV-cache memory to just 890 bytes per token, the architectural changes that make it possible, why this matters for long-running agents and huge codebases, and where the model still falls short against frontier systems. LINKS: Blogpost: https://www.deepseek.com/en/news/deepseek-v4-1-flash/ Huggingface: https://huggingface.co/deepseek-ai/DeepSeek-V4.1-Flash ENGRAM: https://youtu.be/zt1jlTPCaps DSpark: https://youtu.be/eFgknPFK-g0 Flash V4.1 Breakdown: https://youtu.be/nriu4twWHz4 My voice to text App: whryte.com Website: https://engineerprompt.ai/ RAG Beyond Basics Course: https://prompt-s-site.thinkific.com/courses/rag Signup for Newsletter, localgpt: https://tally.so/r/3y9bb0 💻 Pre-configured localGPT VM: https://bit.ly/localGPT (use Code: PromptEngineering for 50% off). Signup for Newsletter, localgpt: https://tally.so/r/3y9bb0 00:00 DeepSeek V4.1 Flash 01:05 Efficiency and Architecture 01:50 Harness and Pricing Setup 03:27 Caching and Speed Wins 04:23 Three.js Visual Demos 06:20 AutoML Training Test 07:59 Vision Benchmark

Choose to Build with AI
Matched to Prompt Engineering

AI Maker Residence at KOKO

The third AI workshop taught by our legendary teacher, Nick Sarafa. In one of the last events we did an asset manager raised an additional £25M on their fund within a space of 9 months. This is a full-day hands-on training workshop for purposeful co-creation with AI using Claude Code. Imagine having access to hundreds of billions of dollars of computing power and knowing exactly how to make it work for you through the power of super intelligence. One person did.

◆ Fri 09 Oct 2026 ◆ KOKO Cafe, London ◆ With Nick Sarafa
Get tickets See every event
AI Maker Residence at KOKO
Live event
AI Maker Residence at KOKO
Fri 09 Oct 2026
Find a job · 6 live roles

Jobs in AI.
Apply now.

Apply once › get screened › meet the company

See all roles

More like this

Running one yourself?

List your AI event,
wherever it is.

A meetup, a workshop, a hackathon, a conference. Any city, or online. Tell us about it and it lands in front of people already learning this stuff.

List your AI event